NauticalMart Captain Antique Brass Sextant 8" With Wood Box Made of Steel And Antique Brass Finish Glass optics for a clear view Fully functional sextant operates like a real navigational tool Sextant Brass With Wood Case All Time Nautical Gift Option For Anyone This Nautical premium quality Captain's Antique Brass Sextant 8" is a beautiful full-scale reproduction of the British Captain's 6-inch radius vernier readout brass nautical sextant. Each sextant is expertly crafted from antique brass and marked with a unique serial number. The sextant's telescope has polished glass lenses and produces a sharp magnified image. The index mirror has three recessed adjustments. There are six tinted swing-arm filters with heavy antique brass filter mounts. On the back of the sextant is a hardwood handle with a thick antique brass plaque engraved